body {
  margin: 0;
  padding: 0;
  background-image: url(https://4kwallpapers.com/images/wallpapers/macos-big-sur-apple-layers-fluidic-colorful-dark-wwdc-2020-5120x2880-1432.jpg);
  background-size: cover;
  background-position: center;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: "Open Sans", sans-serif;
  font-size: 112.5%;
  line-height: 1.6em;
}

/* ================ The Timeline ================ */

.timeline {
  position: relative;
  width: 660px;
  margin: 0 auto;
  margin-top: 20px;
  padding: 1em 0;
  list-style-type: none;
}

.timeline:before {
  position: absolute;
  left: 50%;
  top: 0;
  content: " ";
  display: block;
  width: 6px;
  height: 100%;
  margin-left: -3px;
  background: rgb(241, 238, 238);
  background: -moz-linear-gradient(
    top,
    rgba(255, 255, 255, 0.616) 0%,
    rgb(255, 255, 255) 8%,
    rgb(255, 255, 255) 92%,
    rgba(255, 255, 255, 0.616) 100%
  );
  background: -webkit-gradient(
    linear,
    left top,
    left bottom,
    color-stop(0%, rgba(30, 87, 153, 1)),
    color-stop(100%, rgba(125, 185, 232, 1))
  );
  background: -webkit-linear-gradient(
    top,
    rgba(255, 255, 255, 0.616) 0%,
    rgb(255, 255, 255) 8%,
    rgb(255, 255, 255) 92%,
    rgba(255, 255, 255, 0.616) 100%
  );
  background: -o-linear-gradient(
    top,
    rgba(255, 255, 255, 0.616) 0%,
    rgb(255, 255, 255) 8%,
    rgb(255, 255, 255) 92%,
    rgba(255, 255, 255, 0.616) 100%
  );
  background: -ms-linear-gradient(
    top,
    rgba(255, 255, 255, 0.616) 0%,
    rgb(255, 255, 255) 8%,
    rgb(255, 255, 255) 92%,
    rgba(255, 255, 255, 0.616) 100%
  );
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.616) 0%,
    rgb(255, 255, 255) 8%,
    rgb(255, 255, 255) 92%,
    rgba(255, 255, 255, 0.616) 100%
  );

  z-index: 5;
}

.timeline li {
  padding: 1em 0;
}

.timeline li:after {
  content: "";
  display: block;
  height: 0;
  clear: both;
  visibility: hidden;
}

.direction-l {
  position: relative;
  width: 300px;
  float: left;
  text-align: right;
}

.direction-r {
  position: relative;
  width: 300px;
  float: right;
}

.flag-wrapper {
  position: relative;
  display: inline-block;

  text-align: center;
}

.flag {
  position: relative;
  display: inline;
  background: rgb(248, 248, 248);
  padding: 6px 10px;
  border-radius: 5px;
  color: rgba(53, 53, 53, 0.801);
  font-weight: 600;
  text-align: left;
}

.direction-l .flag {
  -webkit-box-shadow: -1px 1px 1px rgba(53, 53, 53, 0.801),
    0 0 1px rgba(53, 53, 53, 0.801);
  -moz-box-shadow: -1px 1px 1px rgba(53, 53, 53, 0.801),
    0 0 1px rgba(53, 53, 53, 0.801);
  box-shadow: -1px 1px 1px rgba(53, 53, 53, 0.801),
    0 0 1px rgba(53, 53, 53, 0.801);
}

.direction-r .flag {
  -webkit-box-shadow: 1px 1px 1px rgba(53, 53, 53, 0.801),
    0 0 1px rgba(53, 53, 53, 0.801);
  -moz-box-shadow: 1px 1px 1px rgba(53, 53, 53, 0.801),
    0 0 1px rgba(53, 53, 53, 0.801);
  box-shadow: 1px 1px 1px rgba(53, 53, 53, 0.801),
    0 0 1px rgba(53, 53, 53, 0.801);
}

.direction-l .flag:before,
.direction-r .flag:before {
  position: absolute;
  top: 50%;
  right: -40px;
  content: " ";
  display: block;
  width: 12px;
  height: 12px;
  margin-top: -10px;
  background: #fff;
  border-radius: 10px;
  border: 4px solid rgb(255, 80, 80);
  z-index: 10;
}

.direction-r .flag:before {
  left: -40px;
}

.direction-l .flag:after {
  content: "";
  position: absolute;
  left: 100%;
  top: 50%;
  height: 0;
  width: 0;
  margin-top: -8px;
  border: solid transparent;
  border-left-color: rgb(248, 248, 248);
  border-width: 8px;
  pointer-events: none;
}

.direction-r .flag:after {
  content: "";
  position: absolute;
  right: 100%;
  top: 50%;
  height: 0;
  width: 0;
  margin-top: -8px;
  border: solid transparent;
  border-right-color: rgb(248, 248, 248);
  border-width: 8px;
  pointer-events: none;
}

.time-wrapper {
  display: inline;

  line-height: 1em;
  font-size: 0.66666em;
  color: rgb(250, 80, 80);
  vertical-align: middle;
}

.direction-l .time-wrapper {
  float: left;
}

.direction-r .time-wrapper {
  float: right;
}

.time {
  display: inline-block;
  padding: 4px 6px;
  background: rgb(248, 248, 248);
}

.desc {
  margin: 1em 0.75em 0 0;

  font-size: 0.77777em;
  font-style: italic;
  line-height: 1.5em;
}

.direction-r .desc {
  margin: 1em 0 0 0.75em;
}

/* ================ Timeline Media Queries ================ */

@media screen and (max-width: 660px) {
  .timeline {
    width: 100%;
    padding: 4em 0 1em 0;
  }

  .timeline li {
    padding: 2em 0;
  }

  .direction-l,
  .direction-r {
    float: none;
    width: 100%;

    text-align: center;
  }

  .flag-wrapper {
    text-align: center;
  }

  .flag {
    background: rgb(255, 255, 255);
    z-index: 15;
  }

  .direction-l .flag:before,
  .direction-r .flag:before {
    position: absolute;
    top: -30px;
    left: 50%;
    content: " ";
    display: block;
    width: 12px;
    height: 12px;
    margin-left: -9px;
    background: #fff;
    border-radius: 10px;
    border: 4px solid rgb(255, 80, 80);
    z-index: 10;
  }

  .direction-l .flag:after,
  .direction-r .flag:after {
    content: "";
    position: absolute;
    left: 50%;
    top: -8px;
    height: 0;
    width: 0;
    margin-left: -8px;
    border: solid transparent;
    border-bottom-color: #5f6fff;
    border-width: 8px;
    pointer-events: none;
  }

  .time-wrapper {
    display: block;
    position: relative;
    margin: 4px 0 0 0;
    z-index: 14;
  }

  .direction-l .time-wrapper {
    float: none;
  }

  .direction-r .time-wrapper {
    float: none;
  }

  .desc {
    position: relative;
    margin: 1em 0 0 0;
    padding: 1em;
    background: #5f6fff;
    -webkit-box-shadow: 0 0 1px rgba(53, 53, 53, 0.863);
    -moz-box-shadow: 0 0 1px rgba(53, 53, 53, 0.863);
    box-shadow: 0 0 1px rgba(53, 53, 53, 0.863);

    z-index: 15;
  }

  .direction-l .desc,
  .direction-r .desc {
    position: relative;
    margin: 1em 1em 0 1em;
    padding: 1em;

    z-index: 15;
  }
}

@media screen and (max-width: 660px) {
  .direction-l .desc,
  .direction-r .desc {
    margin: 1em 4em 0 4em;
  }
}

ul.desc-list li a {
  color: rgb(230, 230, 230);
}
li {
  color: white;
}
li a {
  color: white;
}
